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Q. No.What would be true [T] or false [F] regarding amphibians?
I:
Skin is moist and without scales.
II:
Eyes have eyelids.
III:
A tympanum represents the ear.
IV:
Respiration is by gills, lungs and through skin.
I
II
III
IV
1.
T
T
F
F
2.
F
F
F
T
3.
T
F
T
T
4.
T
T
T
T
Subtopic: Study of Amphibians |
83%
Level 1: 80%+
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Consider the two statements:
1. Statement I is correct; Statement II is correct
2. Statement I is incorrect; Statement II is correct
3. Statement I is correct; Statement II is incorrect
4. Statement I is incorrect; Statement II is incorrect
| Statement I: | Chondrichthyes lack the capacity to regulate their body temperature. |
| Statement II: | Osteichthyes have the capacity to regulate their body temperature. |
2. Statement I is incorrect; Statement II is correct
3. Statement I is correct; Statement II is incorrect
4. Statement I is incorrect; Statement II is incorrect
Subtopic: Comparative study of Cartilagenous & Bony Fishes | Class Chondrichthyes | Class Osteichthyes |
71%
Level 2: 60%+
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Select the correct description of the two figures A and B, given below, showing basic body forms in Cnidarians:
| A |  |
| B |  |
| 1. | A is Medusa and is free-swimming; B is Polyp and is sessile |
| 2. | A is Polyp and is free-swimming; B is Medusa and is sessile |
| 3. | A is Medusa and is sessile; B is Polyp and is free-swimming |
| 4. | A is Medusa and is free-swimming; B is Polyp and is free-swimming |
Subtopic: Phylum Coelenterata |
87%
Level 1: 80%+
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Fertilisation is external and development is indirect in:
1. I and V only
2. II, III and IV only
3. IV only
4. I, IV and V only
| I: | Sponges |
| II: | Echinoderms |
| III: | Hemichordates |
| IV: | Comb jellies |
| V: | Flatworms |
1. I and V only
2. II, III and IV only
3. IV only
4. I, IV and V only
Subtopic: Basis of Classification |
73%
Level 2: 60%+
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Chondrichthyes and Mammals:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | do not belong to the same class but belong to the same super-class. |
| II: | are placed under the same division in sub-phylum vertebrata. |
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Comparative study of Cartilagenous & Bony Fishes | Class Chondrichthyes |
54%
Level 3: 35%-60%
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Ascidia, Salpa, Doliolum and Branchiostoma are all:
A: Chordates
B: Vertebrates
C: Urochordates
D: Protochordates
A: Chordates
B: Vertebrates
C: Urochordates
D: Protochordates
| 1. | A and B are correct | 2. | A and C are correct |
| 3. | A and D are correct | 4. | B and C are correct |
Subtopic: Phylum Chordata |
65%
Level 2: 60%+
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The figure shows cross-section of the body of an animal. This animal:
1. Only I, II and III are correct
2. Only I, III and IV are correct
3. Only II, III and IV are correct
4. I, II, III and IV are correct
| I: | lacks a coelom |
| II: | is triploblastic |
| III: | is expected to have bilateral symmetry |
| IV: | is expected to be dorso-ventrally flattened |
1. Only I, II and III are correct
2. Only I, III and IV are correct
3. Only II, III and IV are correct
4. I, II, III and IV are correct
Subtopic: Basis of Classification |
57%
Level 3: 35%-60%
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Cnidarians, Ctenophores and Echinoderms resemble each other in:
1. Only I and II are correct
2. I, II and III are incorrect
3. Only I is correct
4. I, II and III are correct
| I: | having radial symmetry in adults and larvae |
| II: | having three germ layers |
| III: | lacking a coelom |
1. Only I and II are correct
2. I, II and III are incorrect
3. Only I is correct
4. I, II and III are correct
Subtopic: Basis of Classification:I | Phylum Aschelminthes |
53%
Level 3: 35%-60%
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How do members of hemichordates resemble chordates?
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
| I: | The body is segmented metamerically. |
| II: | The symmetry is bilateral and they have a true coelom |
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
Subtopic: Phylum Hemichordata | Phylum Chordata |
67%
Level 2: 60%+
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What is common to animals belonging to Cnidaria and Ctenophora?
1. Only I and II are correct
2. Only III is correct
3. I, II and III are incorrect
4. I, II and III are correct
| I: | Cnidoblasts |
| II: | Triploblastic organisation |
| III: | Well developed polyp stage in life cycle |
1. Only I and II are correct
2. Only III is correct
3. I, II and III are incorrect
4. I, II and III are correct
Subtopic: Phylum Coelenterata | Phylum Ctenophora |
72%
Level 2: 60%+
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